@article{PismaZhETF.7.26,
    title = {Acoustic Magnetic Resonance of $Cr^{3+}$ in $LiNbO_3$},
    author = {Smolyakov, B. P. and Meil'man, L. M. and Klyuev, V. P. and Shpil'ko, I. A. and Kopvillem, U. Kh.},
    journal = {Письма в ЖЭТФ},
    volume = {7},
    issue = {1},
    pages = {26},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25565.shtml},
}